Platinum ring (850‰) adorned with a round diamond of approximately 0,50 carats, in between

‘Marguerite’ ring in 18k (750‰) yellow gold and platinum (850‰) adornedwith eight round-cut vintage-cut diamonds, a largerone (0,50 carat approx.) in the centerRing size: 55Gr

Ring in platinum (850‰) adorned with a round diamond of approximately 1,5 carats (scratches) set in a solitaire mounting, between two marquise-cut diamondsAssumed diamond: H/I1EU ring size: 47 (

An 18 Karat Yellow Gold, Platinum and Diamond Ring, Jabel, containing seven round brilliant cut diamonds weighing approximately 0.50 carats. Stamp: 18K JABEL 6 50. 2.10 dwts.

Platinum and Diamond Rings (2) rings including an engagement ring having a central round cut diamond weighing approximately 0.50 carats, marked 'plat ICC irid' and eternity band having channel set rou

Containing one cushion cut diamond measuring 4.84mm x 4.43mm x 2.88mm, weighing 0.52 carat, with 63 round brilliant cut diamonds weighing approximately 0.50 carat total. Hallmarked Tiffany & Co. PT950

A diamond, emerald and platinum ringdesigned as three round brilliant-cut diamonds, each measuring approximately 0.50, 1.30, 0.50 carats, framed by calibré-cut emerald and round brilliant-cut diamond

DIAMOND RING Containing one round brilliant cut diamond weighing 4.99 carats and two baguette cut diamonds weighing approximately 0.50 carat total. Mounted in white gold and platinum. Ring size 4 1/4.

Platinum and Diamond Art Deco Style Ring Boat style setting having (2) brilliant round cut diamonds weighing approximately 0.45 to 0.50 carats each, SI-1/2 clarity, F/G color, surrounded by (8) brilli

Platinum and Diamond Ring Art Deco style having (49) round cut diamonds weighing approximately 2.25 carats total; center diamond weighing approximately 0.50 of a carat, I-2 clarity, H/I color Size: 7

Crafted in platinum, featuring a modified cushion-cut unheated Ceylon sapphire, weighing approximately 10.50 carats, featuring 38 round brilliant-cut diamonds, weighing approximately 0.76 carat; ring

DIAMOND RING Containing 69 round brilliant cut diamonds weighing approximately 0.65 carat total. Mounted in platinum. Ring size 4 1/2. 4.50 dwt. Property from the Collection of Paula Huffman, Chicago,

Crafted out of platinum, featuring an oval-shaped brilliant blue sapphire weighing approximately 1.60 carats, the shoulders adorned with trilliant-cut diamonds, weighing a total of approximately 0.50

dome style contemporary ring set with one pear-shaped moissonite center and approximately 50 pavé-set round brilliant diamonds, 1.0 to 1.3 combined carat weight, platinum mount, size 8-1/2, 13.6 gram

Group of Four Gold Rings Comprising a platinum ring centering a round cultured pearl measuring approximately 11.50 mm accented by single cut diamonds weighing a total of 0.87 carats, size 6 1/4; a 14

18 carat gold diamond solitaire ring, the round cut diamond at approximately 0.50 carat, ring size M

Palladium and Diamond Art Deco Style Ring Having a center round cut diamond weighing approximately 0.50 carats surrounded by (12) round cut diamonds creating a square with graduated columns of diamond

WHITE GOLD, DIAMOND AND PINK STONE RING Containing 47 round brilliant cut diamonds weighing approximately 0.50 carat total and eight pink stones. Ring size 5 1/4.Stamp: (maker's mark) 18K A/C.Gross we

COLLECTION OF YELLOW GOLD RINGS Consisting of two foliate engraved rings and one ring containing 11 round brilliant cut diamonds weighing approximately 0.50 carat total. Ring sizes 6 and 6 1/4. Stamp:

Diamond, Platinum Ring. Featuring three round-cut diamonds weighing a total of approximately 0.50 cttw., accented by ten baguette-cut diamonds weighing a total of approximately 0.30 cttw., further enh

Diamond Ring 14k yellow gold, the ring mounted with a central round brilliant-cut diamond weighing approximately 0.50 carats, accented by round brilliant-cut diamonds weighing approximately 0.45 carat

14k white gold ring with round emeralds and diamond simulants, center emerald measures approximately 0.50 carats, with nine emeralds measuring 0.05 carats each, round and marquise shaped diamond simul

Diamond, Platinum Ring Stones: Round brilliant-cut diamond weighing approximately 0.90 carat; baguette and full-cut diamonds weighing a total of approximately 0.25 carat

CARTIER, DIAMOND RING Containing one pear shaped diamond weighing 4.20 carats and two tapered baguette cut diamonds weighing approximately 0.50 carat total. Mounted in platinum. Ring size 6 3/4. Engra

Platinum and Diamond Ring Having a round cut center diamond weighing approximately 0.81 carats (6.18 x 3.51mm) I-1 clarity, J/K color, surrounded by (27) round cut diamond chips (marked '10%IRID PLAT'